| Hadamard three-lines theorem | 3ZFYHR9NRC | statement | open | Wikipedia List of theorems#GXEK |
| Hadamard three-lines theorem | ZC4JDA93SF | statement | open | Wikipedia List of things named after Jacques Hadamard#9636 |
| Hadamard transform | 1H173RBHW6 | definition | open | Wikipedia List of transforms#GEPV |
| Hadamard transform | 7EHGDQVRJC | definition | open | Wikipedia List of algorithms#904Q |
| Hadamard transform | DFRG75DV54 | definition | open | Wikipedia List of Fourier-related transforms#GJF9 |
| Hadamard transform | HZ6EVNDTWB | definition | open | Wikidata Q1014065, MathWorld HadamardTransform, Wikipedia Hadamard transform |
| Hadamard transform | K6FSMWHA42 | definition | open | Wikipedia List of things named after Jacques Hadamard#3RS5 |
| Hadamard transform | M86MWK4AEN | definition | open | Wikipedia List of transforms#L398 |
| Hadamard Unitary | 60EHBPD95E | definition | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2609.38206#PN61 |
| Hadamard variance | 6GAXAKWZMB | unknown | open | Wikipedia List of things named after Jacques Hadamard#OALD |
| Hadamard variation formula | 1YBJM5GEV4 | statement | open | Wikipedia List of things named after Jacques Hadamard#O1MP |
| Hadamard variation formula | 7ETPVJJJMG | statement | open | Wikipedia Hadamard variation formula#46O0 |
| Hadamard variation formula | MG5MHQQSPT | statement | open | Wikipedia Hadamard variation formula, Wikidata Q132296359 |
| Hadamard's dynamical system | 714TY0NZZ9 | definition | open | Wikipedia List of things named after Jacques Hadamard#7GGL |
| Hadamard's dynamical system | PKZEC8P4VB | definition | open | Wikipedia Hadamard's dynamical system, Wikidata Q5637574 |
| Hadamard's gamma function | 15ZME718QA | definition | open | Wikipedia Hadamard's gamma function, Wikidata Q25101797 |
| Hadamard's gamma function | M1V715HV4B | definition | open | Wikipedia List of things named after Jacques Hadamard#GN0T |
| Hadamard's gap theorem | K37VY2RQ7R | statement | open | Wikipedia Analytic continuation#KHG8 |
| Hadamard's inequality | 8YXK5W7HAB | statement | open | Wikipedia List of things named after Jacques Hadamard#EL9I |
| Hadamard's inequality | N3NMB0K3YP | statement | open | Wikipedia List of inequalities#J7WO, Wikipedia List of inequalities#VBLZ |
| Hadamard's inequality | NS940N4DNH | statement | open | Wikidata Q1365087, MathWorld HadamardsInequality, Wikipedia Hadamard's inequality |
| Hadamard's lemma | 4JY8DA8YSW | statement | open | Wikipedia List of things named after Jacques Hadamard#GZ62 |
| Hadamard's lemma | B16D5K688F | statement | open | Wikipedia Hadamard's lemma, Wikidata Q2074239 |
| Hadamard's lemma | Q0XZM2XS0R | statement | open | Wikipedia Hadamard's lemma#HIY3 |
| Hadamard's maximal determinant problem | 6BEJZRTE9F | conjecture | open | Wikipedia List of unsolved problems in mathematics#CE8H |
| Hadamard's maximal determinant problem | BST4D8CVWA | conjecture | open | Wikipedia Hadamard's maximal determinant problem, Wikidata Q5637579 |
| Hadamard's maximal determinant problem | STEPS3V2R1 | conjecture | open | Wikipedia List of things named after Jacques Hadamard#EHLB |
| Hadamard's method of descent | N3PWCSB4Y1 | definition | open | Wikipedia List of things named after Jacques Hadamard#USR2 |
| Hadamard's method of descent | R1K0MQ3SVH | definition | open | Wikipedia Hadamard's method of descent, Wikidata Q17020301 |
| Hadamard's theorem on the radius of meromorphy | RA7TTHF01Q | unknown | open | Wikipedia List of things named after Jacques Hadamard#PG04 |
| Hadamard--Fischer determinant inequality | DSD435AZ9Z | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2609.21937#M6IG |
| Hadamard–Rybczynski equation | BDA1R5ZKY3 | unknown | open | Wikipedia List of things named after Jacques Hadamard#71F5 |
| HADHESGF03 | HADHESGF03 | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 1303.4328#1MAL |
| Hadi Sabzavari | Z0YF1S2A36 | topic | open | Wikipedia Hadi Sabzavari, Wikidata Q3660738 |
| Hadjicostas's formula | ZHTMABJBS5 | statement | open | Wikidata Q5637922, MathWorld HadjicostassFormula, Wikipedia Hadjicostas's formula |
| Hadley cell | CDK6P6KX3H | definition | open | Wikipedia Hadley cell, Wikidata Q338589 |
| Hadley Wickham | HC5TV0GME5 | topic | open | Wikipedia List of fellows of the American Statistical Association#CDFW |
| Hadley Wickham | XC8TT30W6F | topic | open | Wikipedia Hadley Wickham, Wikidata Q16251925 |
| HADR3C585K | HADR3C585K | statement | open | open_logic content/many-valued-logic/three-valued-logics/multiple-designation.tex#prop:gl-udes |
| hadron | QMY8X83P0S | unknown | open | Wikidata Q101667, nLab hadron |
| Hadwiger | T82MN2W26Q | definition | open | Wikipedia Glossary of graph theory#MUB9 |
| Hadwiger 1943 | 4YH5GCK0C6 | conjecture | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2609.35361#6Z3H |
| Hadwiger conjecture | 8TXBHSC5NC | conjecture | open | Wikidata Q1128435, MathWorld HadwigerConjecture, Wikipedia Hadwiger conjecture (graph theory) |
| Hadwiger conjecture | E0G379Q64C | conjecture | open | Wikipedia List of unsolved problems in mathematics#7AT0 |
| Hadwiger conjecture | PA6GDGH41T | conjecture | open | Wikipedia List of unsolved problems in mathematics#LH8K |
| Hadwiger conjecture | SWQ057NQVR | conjecture | open | Wikipedia Hadwiger conjecture (combinatorial geometry), Wikidata Q5638115 |
| Hadwiger conjecture (combinatorial geometry) | YX8YMHCXQT | conjecture | open | Wikipedia List of convexity topics#Z81D |
| Hadwiger number | R04C181XXQ | definition | open | Wikidata Q5638117, MathWorld HadwigerNumber, Wikipedia Hadwiger number |
| Hadwiger's characterization theorem | 1K42R4PH70 | statement | open | Wikipedia Mixed volume#6GF0 |
| Hadwiger's principal theorem | 1EKP2NAFDX | statement | open | Wikipedia Eutactic star#G6ND |
| Hadwiger's theorem | 4464J9Q5KV | statement | open | mathlib_1000 Q5638112, Wikidata Q5638112, thousand_plus Q5638112, Wikipedia Hadwiger's theorem, nLab Hadwiger's theorem |
| Hadwiger's theorem | 9HJAQ5CT8R | statement | open | Wikipedia List of probability topics#K0MX, Wikipedia List of integration and measure theory topics#07PN |
| Hadwiger's theorem | 9TAWEWW9H7 | statement | open | Wikipedia List of convexity topics#KM3W |
| Hadwiger's theorem | CVPH5QPPEF | statement | open | Wikipedia List of theorems#K0N2 |
| Hadwiger–Finsler inequality | 295637THM7 | statement | open | Wikipedia Hadwiger–Finsler inequality, Wikidata Q1054170 |
| Hadwiger–Finsler inequality | Z6NMA3Y92V | statement | open | Wikipedia List of triangle topics#AESL, Wikipedia List of inequalities#5R6R |
| Hadwiger–Nelson problem | AQ0CH7GDWR | conjecture | open | Wikipedia List of unsolved problems in mathematics#44ZV |
| Hadwiger–Nelson problem | FQMPDR79PP | conjecture | open | Wikidata Q1383936, MathWorld Hadwiger-NelsonProblem, Wikipedia Hadwiger–Nelson problem |
| HADYYPAE06 | HADYYPAE06 | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2609.32614#X02O |
| Haecceity | MNYMT6694S | definition | open | Wikipedia Haecceity, Wikidata Q16840755 |
| Haefliger structure | PR1QJF86ND | definition | open | Wikidata Q5638159, nLab Haefliger structure, Wikipedia Haefliger structure |
| HAFFMCC5WV | HAFFMCC5WV | definition | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2110.06338#OG37 |
| Haffner og Haagaas | ZNHV516HDC | definition | open | Wikipedia Haffner og Haagaas, Wikidata Q19373484 |
| Hafner–Sarnak–McCurley constant | CWRFPAX91F | definition | open | Wikidata Q5638401, MathWorld Hafner-Sarnak-McCurleyConstant, OEIS A085849, Wikipedia Hafner–Sarnak–McCurley constant |
| hafnian | 9ATZZEC4K0 | definition | open | Wikidata Q25101392, nLab hafnian, Wikipedia Hafnian |
| Haga's theorems | Q43D2YQG89 | statement | open | Wikipedia Mathematics of paper folding#R5B1 |
| HAGA7Q4CEK | HAGA7Q4CEK | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2609.26307#ZGLT |
| HAGBSQ38AV | HAGBSQ38AV | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.10591#9KTX |
| Hagelbarger code | HR58R2YJTW | unknown | open | Wikipedia List of algebraic coding theory topics#8JZD |
| Hagen Kleinert | YPNP2DCX5W | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q76757, nLab Hagen Kleinert |
| Hagen-Poiseuille flow from the Navier-Stokes equations | PFNP35RTDK | unknown | open | Wikipedia Hagen–Poiseuille equation#B2ZU |
| Hagen–Poiseuille equation | JYZP0MHW4D | definition | open | Wikipedia Hagen–Poiseuille equation, Wikidata Q869854 |
| HAGFD65W3Q | HAGFD65W3Q | proof | open | open_logic content/normal-modal-logic/tableaux/more-soundness.tex#proof-3 |
| Hagit Attiya | 2R6J0P64F2 | unknown | open | Wikipedia List of people by Erdős number#2U3Z |
| Hagood, Margaret Jarman | 7T130BG43X | unknown | open | Wikipedia List of statisticians#ND74 |
| Hagoromo Fulltouch Chalk | NRDAZVZZHY | definition | open | Wikipedia Hagoromo Fulltouch Chalk, Wikidata Q129066984 |
| HAGX8Z5WX5 | HAGX8Z5WX5 | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2609.01473#SUB9 |
| Hahn construction | XHXHGA9SBW | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.15421#D2QL |
| Hahn decomposition theorem | GQXRW68XRR | statement | open | mathlib_1000 Q1568811, Mathlib MeasureTheory.SignedMeasure.exists_isCompl_positive_negative, Wikidata Q1568811, thousand_plus Q1568811, Wikipedia Hahn decomposition theorem, EoM Hahn_decomposition |
| Hahn decomposition theorem | QCA3FDJNM0 | statement | open | Wikipedia List of theorems#I88G |
| Hahn embedding theorem | 5ZJJZA06SY | statement | open | mathlib_1000 Q5638886, Mathlib hahnEmbedding_isOrderedAddMonoid, Wikidata Q5638886, thousand_plus Q5638886, Wikipedia Hahn embedding theorem |
| Hahn embedding theorem | N5C6GD72ZN | statement | open | Wikipedia List of theorems#KGXL |
| Hahn polynomials | KJCGKM8ZS2 | concept | open | Wikidata Q1568814, MathWorld HahnPolynomial, Wikipedia Hahn polynomials |
| Hahn polynomials | M5X65X471S | definition | open | Wikipedia List of polynomial topics#ZK68 |
| Hahn problem | X1KMFS7P70 | unknown | open | Wikipedia General equilibrium theory#Z2ON |
| Hahn series | 5J66Q8MVFS | definition | open | Wikidata Q5638887, nLab Hahn series, Wikipedia Hahn series |
| Hahn, Marjorie | WYA4C1E2V3 | topic | open | Wikipedia List of statisticians#OQL0 |
| Hahn–Banach | G9RX700T7J | definition | open | Wikipedia Glossary of functional analysis#RRAT |
| Hahn–Banach dominated extension theorem | FT1D0D008W | statement | open | Wikipedia Linear form#ZINI |
| Hahn–Banach theorem | 88WHNVG41H | statement | open | mathlib_1000 Q866116, Mathlib exists_extension_norm_eq, Wikidata Q866116, mathlib_overview Analysis > Normed vector spaces/Banach spaces > Hahn-Banach theorem, thousand_plus Q866116, Wikipedia Hahn–Banach theorem, EoM Hahn-Banach_theorem, MathWorld Hahn-BanachTheorem |
| Hahn–Banach theorem | ASPGKGM557 | statement | open | Wikipedia Functional analysis#1YOP |
| Hahn–Banach theorem | CPS4TMFSB5 | statement | open | Wikipedia List of theorems#NWVB |
| Hahn–Banach theorem | J70B2PRCVV | statement | open | Wikipedia Hahn–Banach theorem#H0G8 |
| Hahn–Banach theorem | VGXC2YD6CR | statement | open | Wikipedia Banach space#EOIK |
| Hahn–Banach theorem | W53GYKZAFN | statement | open | Wikipedia Linear form#HWUJ |
| Hahn–Banach theorem for seminorms | S3Z95DKD2K | statement | open | Wikipedia Seminorm#ZBZR |
| Hahn–Banach theorem: | A0FZTK5GAS | statement | open | Wikipedia Functional analysis#5LEF |
| Hahn–Exton q-Bessel function | AQRJ5A0YKS | definition | open | Wikipedia List of q-analogs#IISE |
| Hahn–Exton q-Bessel function | S6KMA2RJBX | definition | open | Wikipedia Hahn–Exton q-Bessel function, Wikidata Q5638902 |
| Hahn–Kolmogorov theorem | VVXX6F9Z7W | statement | open | Wikipedia List of theorems#KV8T |